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WO2018153756A1 - Cadre sans maillage remorqué de manière aéroportée de dispositifs de mesure géophysique - Google Patents

Cadre sans maillage remorqué de manière aéroportée de dispositifs de mesure géophysique Download PDF

Info

Publication number
WO2018153756A1
WO2018153756A1 PCT/EP2018/053705 EP2018053705W WO2018153756A1 WO 2018153756 A1 WO2018153756 A1 WO 2018153756A1 EP 2018053705 W EP2018053705 W EP 2018053705W WO 2018153756 A1 WO2018153756 A1 WO 2018153756A1
Authority
WO
WIPO (PCT)
Prior art keywords
pole
frame
poles
antenna
stays
Prior art date
Application number
PCT/EP2018/053705
Other languages
English (en)
Inventor
Alexis GIORDANA
Original Assignee
Action Communication
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Action Communication filed Critical Action Communication
Publication of WO2018153756A1 publication Critical patent/WO2018153756A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • G01V3/165—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with magnetic or electric fields produced or modified by the object or by the detecting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D3/00—Aircraft adaptations to facilitate towing or being towed

Definitions

  • the conveyed device may include a first antenna, the antenna including a conductor wound in a loop successively along the leading pole, the first stay, the trailing pole, and the second stay.
  • Each stay may be a pre-tensioned sheath and the antenna conductor be housed inside each sheath between the poles.
  • FIG. 3 is a detail view of an exemplary attachment structure between elements of the frame of figure 2;
  • Figure 5 is an exemplary circuit diagram of power conversion and control circuitry for active elements of the towed device; and ⁇ Figures 6A and 6B are schematic side and top views of an attitude-correcting structure, wherein electronic circuit components are housed at the bottom of an attitude-correcting pole, according to an embodiment.
  • FIG 4 is a schematic top or bottom view of another embodiment of a meshless frame, bearing inertial measurement units (IMUs) that may be used for compensating measurement errors due to warping or tilting of the frame.
  • the IMUs take advantage of the presence of substantially rigid poles in the frame structure.
  • a first IMU 46 may be attached to the leading pole 12a, preferably at the center of the pole.
  • a second IMU 48 may be attached to the trailing pole 12b, preferably also at its center.
  • the central location is preferred, because most frame deformations will be captured here as pure rotations.
  • the two IMUs 46, 48 may be sufficient to estimate the warping and tilting of both the transmission and reception antennas, assuming that the longitudinal stays all remain straight.
  • the frame may have additional longitudinal stays to promote the rigidity of the poles.
  • Five equally spaced longitudinal stays may be arranged inside the frame.
  • a central longitudinal stay may be in the form of a pre- tensioned sheath housing the conductors for operating the IMUs 48 and 50, together with the conductors of the reception antenna.
  • the inner frame for the reception antenna may have further longitudinal stays, as shown, that do not go beyond the poles 40a, 40b.
  • a frame such as depicted in figures 2 and 4, having only longitudinal stays, is in fact articulated, i.e. the trailing pole 12b is free to shift laterally relative to the leading pole 12a.
  • the resulting parallelogram deformation would also cause surface area variations of the antennas, and could be measured by the tail IMU 48. Such a deformation is however unlikely, at least over a significant period of time, because the frame would be in an unstable position. Therefore, diagonal stays that would prevent this parallelogram deformation are usually superfluous.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne un dispositif remorqué par aéronef, comprenant un cadre sans maillage comprenant une tringle d'attaque (12a) et une tringle de fuite (12b), les tringles étant sensiblement transversales à une direction de vol ; une structure d'amortissement aérodynamique (16) fixée à la tringle de fuite (12b) ; et un dispositif véhiculé (14) monté sur le cadre.
PCT/EP2018/053705 2017-02-21 2018-02-14 Cadre sans maillage remorqué de manière aéroportée de dispositifs de mesure géophysique WO2018153756A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17157162.3 2017-02-21
EP17157162.3A EP3364215A1 (fr) 2017-02-21 2017-02-21 Structure sans maillage tracté par un aeronef pour les systèmes de mesure geophysique

Publications (1)

Publication Number Publication Date
WO2018153756A1 true WO2018153756A1 (fr) 2018-08-30

Family

ID=58191267

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2018/053705 WO2018153756A1 (fr) 2017-02-21 2018-02-14 Cadre sans maillage remorqué de manière aéroportée de dispositifs de mesure géophysique
PCT/EP2018/053708 WO2018153759A1 (fr) 2017-02-21 2018-02-14 Antennes plates remorquées en suspension dans l'air

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/053708 WO2018153759A1 (fr) 2017-02-21 2018-02-14 Antennes plates remorquées en suspension dans l'air

Country Status (2)

Country Link
EP (2) EP3364215A1 (fr)
WO (2) WO2018153756A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230071482A1 (en) * 2020-02-06 2023-03-09 The Suppes Family Trust Flat Plate Airfoil Platform Vehicle
CN114137621B (zh) * 2021-10-25 2023-08-18 长安大学 一种拖曳式堤坝隐患探测方法、系统及介质
WO2024156838A1 (fr) * 2023-01-26 2024-08-02 Selskabet Af 6. April 2010 Aps Stabilisation de cadre d'émetteur tem pour remorquage d'uav

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178706A (en) * 1977-06-08 1979-12-18 Boyce Robert A L Vehicle towed display device
US4492924A (en) * 1979-11-29 1985-01-08 Boliden Aktiebolag Method and apparatus for ore prospecting utilizing an aerial transmitter and aerial receiver
US20130307545A1 (en) * 2009-10-23 2013-11-21 Geo Equipment Manufacturing Ltd. Aerodynamically stabilized tow assembly for aircraft for geophysical surveying
WO2015189483A1 (fr) 2014-02-28 2015-12-17 Action Communication Plateforme aéroportée pour aéronef comportant des moyens correcteurs d'assiette et attelage associe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2187952A1 (fr) * 1996-10-16 1998-04-16 Richard Stephen Taylor Appareil pour reconnaissance electromagnetique aeroportee

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178706A (en) * 1977-06-08 1979-12-18 Boyce Robert A L Vehicle towed display device
US4492924A (en) * 1979-11-29 1985-01-08 Boliden Aktiebolag Method and apparatus for ore prospecting utilizing an aerial transmitter and aerial receiver
US20130307545A1 (en) * 2009-10-23 2013-11-21 Geo Equipment Manufacturing Ltd. Aerodynamically stabilized tow assembly for aircraft for geophysical surveying
WO2015189483A1 (fr) 2014-02-28 2015-12-17 Action Communication Plateforme aéroportée pour aéronef comportant des moyens correcteurs d'assiette et attelage associe
US20170021927A1 (en) * 2014-02-28 2017-01-26 Action Communication Airborne platform for aircraft with attitude correction and tow hitch assembly

Also Published As

Publication number Publication date
WO2018153759A1 (fr) 2018-08-30
EP3364215A1 (fr) 2018-08-22
EP3364218A1 (fr) 2018-08-22

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